Author: Tracy Nelson Maurer

Wind blows dry, tall grass. A storm brews. Lightning strikes the ground, and soon, flames spread across the grassland. It''s a wildfire!

Hot magma rises to the earth's surface. Smoke bursts from the volcano and lava flows out. It's a volcanic eruption!

Avalanches tear down mountains. Tsunamis drown towns. Magma from volcanoes flows through homes. Throughout history the world has faced many natural...

Are you ready to conquer the exciting sport of gymnastics? Whether you''re just starting your tricks in the gym or an experienced gymnast looking t...

Vaulting takes a lot more than just a run and jump onto a springboard. It requires preparation, practice and understanding of this unique event. A ...

Are you ready to conquer the exciting sport of gymnastics? Whether you''re just starting your tricks in the gym or an experienced gymnast looking t...